concentration英音: ['kɔnsen'treiʃən] 美音: [,kɑnsɛn'treʃən]名词1.[C,U]集中2.不可数名词:专心,专注3.不可数名词:浓缩;浓度ihvhhcrease in densitythe spatial property of being crowded togethercomplete attention; intenhse mental effort。